{"slug": "chapter-11-code-quiz-fails-due-to-api-inference-huggingface-co-dns-resolution", "title": "Chapter 11 code quiz fails due to api-inference.huggingface.co DNS resolution error", "summary": "A user taking the Hugging Face LLM Course reports that the Chapter 11 code quiz fails due to a DNS resolution error for api-inference.huggingface.co, preventing submission of solutions. The issue persists despite troubleshooting attempts, and the user requests investigation into the course infrastructure or API endpoint.", "body_md": "Hi Hugging Face team,\n\nI’m currently taking the Hugging Face LLM Course (Chapter 11) and I’m unable to complete the code quiz.\n\nEvery time I submit my solution, it fails with the following error:\n\nMaxRetryError: HTTPSConnectionPool(host=‘[api-inference.huggingface.co](http://api-inference.huggingface.co)’, port=443): Failed to resolve ‘[api-inference.huggingface.co](http://api-inference.huggingface.co)’\n\nThe website itself loads correctly, but the code checker cannot reach the inference API, so my solutions are marked as incorrect.\n\nI have already tried:\n\nThe issue still persists.\n\nCould you please check if this is a problem with the course infrastructure or the API endpoint?\n\nHugging Face username: abhijeet0408\n\nThank you.", "url": "https://wpnews.pro/news/chapter-11-code-quiz-fails-due-to-api-inference-huggingface-co-dns-resolution", "canonical_source": "https://discuss.huggingface.co/t/chapter-11-code-quiz-fails-due-to-api-inference-huggingface-co-dns-resolution-error/177781#post_1", "published_at": "2026-07-13 20:07:31+00:00", "updated_at": "2026-07-13 20:17:27.572346+00:00", "lang": "en", "topics": ["large-language-models", "developer-tools"], "entities": ["Hugging Face", "api-inference.huggingface.co"], "alternates": {"html": "https://wpnews.pro/news/chapter-11-code-quiz-fails-due-to-api-inference-huggingface-co-dns-resolution", "markdown": "https://wpnews.pro/news/chapter-11-code-quiz-fails-due-to-api-inference-huggingface-co-dns-resolution.md", "text": "https://wpnews.pro/news/chapter-11-code-quiz-fails-due-to-api-inference-huggingface-co-dns-resolution.txt", "jsonld": "https://wpnews.pro/news/chapter-11-code-quiz-fails-due-to-api-inference-huggingface-co-dns-resolution.jsonld"}}